Out of all the popular cities in Australia, Brisbane is the cheapest city to rent a car in at just S$ 19/day. Renting a car in Brisbane is 58% cheaper than renting one in Canberra where the per day rate is around S$ 44. Other fairly inexpensive cities in Australia to get a rental car in are: Melbourne (S$ 21/day), Sydney (S$ 23/day), and Coolangatta (S$ 25/day). While these cities typically have cheaper prices than the rest of the country, travellers looking to rent a car in Hobart should expect to spend around S$ 27/day on their transportation. The most popular city to rent a car in Australia is Hobart.